Ultimate Arms Gear Black Weatherproof Canvas Stock Sling Leather Tab End Mossberg 500/590/835/ Maverick 88 12/20 Gauge Shotgun Gun Complete With 1 Leather Tab & 1 Hook. High Grade Leather Tabs for Swivels. High Grade Canvas Construction. Weatherproof. Fully Adjustable - For A Perfect Fit with Swivels. Easy Adjustment Provide Different Length For Various Shooting Positions.